Update pytest.yml

Updated actions versions

.github/workflows/pytest.yml

@@ -14,11 +14,11 @@ jobs:
     - name: Setup Graphviz
       uses: ts-graphviz/setup-graphviz@v1
     - name: Checkout repository and submodules
-      uses: actions/checkout@v1
+      uses: actions/checkout@v4
       with:
         submodules: recursive
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v1
+      uses: actions/setup-python@v5
       with:
         python-version: ${{ matrix.python-version }}
     - name: Install dependencies
@@ -34,6 +34,6 @@ jobs:
     - name: Test with pytest
       run: |
         python -m pytest --cov --cov-config=.coveragerc
-    - uses: codecov/codecov-action@v1
+    - uses: codecov/codecov-action@v5
       with:
         token: ${{ secrets.CODECOV_TOKEN }} # not required for public repos